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Stroke: Effect of sleep apnea on heart embolism risk in patients with atrial fibrillation

 Last Update: 2020-12-17
 Source: Internet
 Author: User

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Accurately determining the risk of heart embolism in patients with atrial fibrillation (AF) is critical to preventing moderate stroke outcomes.
obstructive sleep apnea (OSA) is a known risk factor for atrial fibrillation and stroke.
recently published a study in the leading journal of cardiovascular disease, researchers aim to explore a possible link between OSA and an increased risk of cardiac embolism in AF patients.
researchers assessed data from the European Sleep Apnea Database (ESADA) queue, which included AF and OSA patients.
researchers analyzed OSA severity and associated hypoxia parameters, such as minimum Spo2 and 4% oxygen desaturation index.
layered patients based on the risk of heart embolism determined by the subjects' CHA2DS2-VASc scores.
14,646 patients in the initial queue, and 363 patients were eventually included in the analysis.
hypoxia indicators in sleep were associated with elevated CHA2DS2-VASc scores (for individuals with low, moderate, and high risk of cardiovascular disease, the 4% oxygen desaturation index was 17.9, 29.6 and 30.5 events/hour, respectively, with a minimum Spo2 of 81.2, 77.8 and 77.5%, respectively.
results support the potential role of OSA-related hypoxia in predicting the risk of heart embolism complications (e.g. stroke) in AF patients.
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